Which question about public transportation could best be answered using only prior knowledge?
how many of your classmates use public transit?
how does public transit benefit the environment?
which cities have the most efficient public transit system?
what type of public transit does your family prefer to use?

The correct answer is D. What type of public transit does your family prefer to use?

Explanation:

In learning, prior knowledge refers to the previous knowledge a learner has before encountering new information or learn about a new topic. This includes basic information learned before and information based on personal experience. Because of this prior knowledge is mainly consider as basic knowledge rather than specialized or academic knowledge and as it is based on experienced and believes this knowledge might not be accurate or completely correct. Considering this, the question about public transportation that can be answered using only prior knowledge is "What type of public transit does your family prefer to use?" because this question addresses basic information a learner has as a result of experience which is part of prior knowledge and therefore the learner can answer to it despite not have a specialized knowledge of public transportation.

bc

explanation:

because it crosses through the circle twice